We are the UK student group of Park Bok Nam . He visits twice a year to give seminars , and we meet regularly for classes . Ba Gua Zhang (Pa Kua Chang) is an art known for its evasive, unpredictable changes of direction, rapid flowing attacks and powerful internal strikes. Park Bok Nam has developed one of the most comprehensive training programs available for learning Ba Gua, which includes a balance of self defence and Qi Gong (Chi Kung). He is one of the most skilled practitioners and instructors of the art alive today.